john alston has more from north first street. >> the brutal stabbing happened in broad day light just after 2:30 in the afternoon in the parking lot next to the togo sandwich shop. matt was eating lunch when he heard a commotion and ran out to help the woman slashed on her neck and arms. >> i held her head up and kept pressure on it. i said, who did this? can you give me a name, any name? and she couldn't really talk. >> he, too, was covered in blood when the paramedics arrived. >> i feel it was horrible for her to have to die that way, and i just hope by me being there maybe it wasn't as bad way to die. >> he walked to north second street where he was doing handiwork and had to convince police he was not the killer. police say the real culprit hopped the fence and ran through this neighborhood where detectives found blood in front of some homes. the detectives came by and circled where the blood stains are. we've been told to stay in our house with our doors and windows locked. we aren't even allowed to come out to our front yard. >> people went door to door to check garages and othe